Question

A tennis player can serve the ball of mas 57g at an initial horizontal speed of 55ms^-1 the ball remains in contact with the racket for 0.055s. Calculate the average force exerted on the ball during the serve.

Oct 8, 2014

bobpursley

force*time=mass*changeinVelocity

Oct 8, 2014

it would be 57000

Oct 8, 2014

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